Full list of all 51 Portal 2 trophies - 42 bronze, 5 silver, 3 gold and 1 platinum. It takes around 20-25 hours to unlock all of the trophies on PlayStation 3.
Collected all other Portal 2 trophies
After completing co-op, complete Calibration Course online with a friend who hasn’t played before
While playing co-op, hug 3 different people on your friends list